11451546434423 has 2 divisors, whose sum is σ = 11451546434424. Its totient is φ = 11451546434422.

The previous prime is 11451546434387. The next prime is 11451546434443. The reversal of 11451546434423 is 32443464515411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11451546434423 - 2³⁰ = 11450472692599 is a prime.

It is a super-2 number, since 2×11451546434423² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11451546434443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5725773217211 + 5725773217212.

It is an arithmetic number, because the mean of its divisors is an integer number (5725773217212).

Almost surely, 2^{11451546434423} is an apocalyptic number.

11451546434423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11451546434423 is an equidigital number, since it uses as much as digits as its factorization.

11451546434423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2764800, while the sum is 47.

The spelling of 11451546434423 in words is "eleven trillion, four hundred fifty-one billion, five hundred forty-six million, four hundred thirty-four thousand, four hundred twenty-three".